395155880 has 32 divisors (see below), whose sum is σ = 1016115840. Its totient is φ = 135481920.

The previous prime is 395155879. The next prime is 395155903. The reversal of 395155880 is 88551593.

It is a super-2 number, since 2×395155880² = 312296338997148800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705356 + ... + 705915.

It is an arithmetic number, because the mean of its divisors is an integer number (31753620).

Almost surely, 2^395155880 is an apocalyptic number.

It is an amenable number.

395155880 is an abundant number, since it is smaller than the sum of its proper divisors (620959960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395155880 is a wasteful number, since it uses less digits than its factorization.

395155880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411289 (or 1411285 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 395155880 is about 19878.5281145260. The cubic root of 395155880 is about 733.8198965636.

The spelling of 395155880 in words is "three hundred ninety-five million, one hundred fifty-five thousand, eight hundred eighty".